Skip to content

Main Navigation

Integration Preparation

Development Guide

Integration Methods

Technical Terms

Async Notifications

Marketplaces Coverage Risk Reconciliation In-person Payments Payment Methods

English

English

Appearance

Sidebar Navigation

Terminal integration API

Cloud MIS API

Payment API

Refund Application

Transaction Query

Refund Query

Order CancelDeprecated

POS Command

GMC Serial Port API

Heartbeat API

Payment API

Transaction Query

Query APIDeprecated

Refund API

Refund Query

Transaction Cancel

Reprint API

Settlement API

Home
Terminal Integration API
GMC Serial Port API
GMC Serial Port Refund Interface

GMC Serial Port Refund Interface

About 70 wordsLess than 1 minute

2025-12-09

Previous pageQuery API

Next pageRefund Query

Home page PingPongCheckout

Copyright ©2015-2026 杭州乒乓智能技术有限公司 All Rights Reserved.